According to our sources, it is now a done deal and Sony will be announcing a refreshed PSP at E3. Our sources are indicating that the name of the new PSP will be the “PSP Go!” and it will hit the streets of Japan in September with a launch in the U.S. and Canada expected to be on tap for October or early November, as Sony wants to make sure that they are players in the holiday season buying.

According to our moles, the PSP Go! will be available in both an 8GB and a 16GB configuration using a new innovative sliding form factor as we predicted previously. The UMD will bite the dust in favor of a memory stick configuration meaning that downloads are go.

Sony is said to be preparing 100 old and new games for launch, but the PSP Go! looks to lack the initially though dual-joystick configuration. While several photos of mock-ups are making the rounds, don’t believe them; as from what we hear they are all fakes.